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Earthquake, Volcano and Mountain Review Sheet
Earthquake, Volcano and Mountain Review Sheet

... c. Focus: the point underground where the rocks first begin to move d. Epicenter: the point on earth’s surface directly above the focus e. Stress: pressing, pulling or pushing of one object against another f. Aftershock: smaller earthquakes that follow more powerful ones g. Tsunami: giant tidal wave ...
Napoleon - Kawameeh Middle School
Napoleon - Kawameeh Middle School

... A rock slowly dissolving in water and breaking into different separate elements is an example of this type of ...
Edible Tectonics - KMS 8th Science
Edible Tectonics - KMS 8th Science

... The oceanic crust is thinner than continental crust. ...
Hawaiian Hot Spots
Hawaiian Hot Spots

... The vast majority of earthquakes and volcanic eruptions occur near plate boundaries. The Hawaiian Islands, which are entirely of volcanic origin, have formed in the middle of the Pacific Ocean more than 3,200 km from the nearest plate boundary. In certain locations around the world, such as Hawaii, ...
Document
Document

... consisting of all of Earth's land masses. It began breaking up during the Jurassic period, forming 2 continents Gondwanaland and Laurasia, Pangaea started to break up into two smaller supercontinents, called Laurasia and Gondwanaland and eventually into land masses that ...
Earth Science Notes - Nutley Public Schools
Earth Science Notes - Nutley Public Schools

... • There are more than 600 active volcanoes in the world ...
Volcano Review Sheet KEY
Volcano Review Sheet KEY

... Blocky – large angular block surface; thick flow and slow moving. Pillow – Most abundant in volume; found in aquatic environs. ...
Volcano Review sheet - new for 2016-17
Volcano Review sheet - new for 2016-17

... 2. It would take the addition of a lot of water to turn a pyroclastic flow into a ________________. 3. The three main controlling factors on explosivity of volcanoes are ______________________, ________________________ and the ________________________________ in the magma. 4. The majority of our des ...
Volcanoes Assessment cepart3_multiple_choice_course
Volcanoes Assessment cepart3_multiple_choice_course

... b. Most lava flows along the ground so the paths of lava flows can be easily predicted. c. Most lava flows are less dangerous than eruptions of ash. d. All of the above ...
to Ch. 10 Notes
to Ch. 10 Notes

...  Intraplate volcanism is igneous activity that occurs ______________a tectonic plate away from plate boundaries. • Most ______________volcanism occurs where a mass of hotter than normal mantle material called a mantle plume rises toward the surface. • The activity forms localized volcanic regions c ...
Bill Nye – Earths Crust
Bill Nye – Earths Crust

... 3. Label the diagrams below ...
Movement in Earth Notes
Movement in Earth Notes

... breaking and slipping of rocks – Occur at boundaries of plates – Release energy that create seismic waves ...
Earthquakes
Earthquakes

... Earthquakes An earthquake is the shaking and trembling that result from the sudden movement of part of the Earth’s crust. Scientists estimate that more than a million earthquakes occur each year, but only about 20 of them cause significant damage. What causes earthquakes? Most earthquakes happen at ...
Mount St. Helens
Mount St. Helens

... happens, then, to keep the Earth the same size? The answer is subduction. In locations around the world, ocean crust subducts, or slides under, other pieces of Earth's crust. The boundary where the two plates meet is called a convergent boundary. Deep trenches appear at these boundaries, caused by t ...
Eleanor and Jude - New Longton All Saints` School
Eleanor and Jude - New Longton All Saints` School

... TREMORS By Eleanor and Jude ...
Quiz: Volcanoes Study Guide
Quiz: Volcanoes Study Guide

... divergent boundary= two plates moving apart; allows magma to rise to the surface and causes a volcano to form hot spot= an area where material deep within the mantle rises and then melts forming magma; a volcano forms above a hot spot when magma erupts through the crust and reaches the surface Types ...
Name: Date: Period: ______ Due Date: ______3/4
Name: Date: Period: ______ Due Date: ______3/4

... The further you are from the epicenter the longer it takes the waves to travel. Part 2: Earthquakes – “Recognizing Differences” 3. What is the difference between the focus and the epicenter of an earthquake? Focus: where the earthquake begins inside the earth Epicenter: the imaginary point on the ea ...
Volcanoes - Mr. Cramer
Volcanoes - Mr. Cramer

... planning a Pacific Ocean cruise that will visit volcanoes in the Ring of Fire and Hawaii. Write a travel brochure describing the types of volcanoes the group will see and explaining why the volcanoes formed where they did. ...
Notes-Volcanoes
Notes-Volcanoes

... Controlled by the abundant elements in Earth (Si, Al, Fe, Ca, Mg, Na, K, H, and O). Most common types of magma are: basaltic (~50% SiO2), andesitic (60% SiO2) and rhyolitic (70% SiO2) Magma that solidify on the surface are called extrusive rocks and rocks that solidify below the surface are called i ...
Chapter 9 Volcanoes
Chapter 9 Volcanoes

... fragments and hardening before they hit ground. They accumulate forming a cone w/an oval bottom.  Typically form in groups and on sides of larger volcanoes. ...
Chapter 5 Deformation of the Crust
Chapter 5 Deformation of the Crust

... -Ex: __________________, form nearly parallel ranges every 80 km -________________- long, narrow valleys that develop when steep faults break the crust into blocks and slip downward relative to the surrounding blocks, ex: Death Valley in CA 8.Describe what type of volcanic mountains form at these lo ...
Volcanoes and Plate Tectonics
Volcanoes and Plate Tectonics

... major volcanic belt is the Ring of Fire, formed by the many volcanoes that rim the Pacific Ocean. Volcanic belts form along the boundaries of Earth’s plates. At plate boundaries, huge pieces of the crust diverge (pull apart) or converge (push together). As a result, the crust often fractures, allowi ...
Volcanoes
Volcanoes

... • Asthenosphere is extremely rich in ferromagnesian (ultramafic) and a melt from it is mafic (or ultramafic) • Basalt is emplaced as new seafloor at the spreading ridge or a rift • Rift systems in continental crust may melt granitic crust and produce andesite or rhyolite lavas – A bimodal suite of e ...
Tectonic Landscapes Revision
Tectonic Landscapes Revision

... Reasons why earthquakes and volcanoes both occur where they do ...
thesis paper - The Ohio State University
thesis paper - The Ohio State University

... Ring of Fire is an example of a series of subduction zones above which many volcanos have formed around the Pacific Plate. Other volcanoes form along the boundary of two tectonic plate boundaries that separate from each other, which is known as divergent boundary. The Mid-Atlantic Ridge is an exampl ...
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Ring of Fire



The Ring of Fire is an area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. In a 40,000 km (25,000 mi) horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements. It has 452 volcanoes and is home to over 75% of the world's active and dormant volcanoes. The Ring of Fire is sometimes called the circum-Pacific belt.About 90% of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire. The next most seismically active region (5–6% of earthquakes and 17% of the world's largest earthquakes) is the Alpide belt, which extends from Java to the northern Atlantic Ocean via the Himalayas and southern Europe.All but 3 of the world's 25 largest volcanic eruptions of the last 11,700 years occurred at volcanoes in the Ring of Fire.The Ring of Fire is a direct result of plate tectonics and the movement and collisions of lithospheric plates. The eastern section of the ring is the result of the Nazca Plate and the Cocos Plate being subducted beneath the westward moving South American Plate. The Cocos Plate is being subducted beneath the Caribbean Plate, in Central America. A portion of the Pacific Plate along with the small Juan de Fuca Plate are being subducted beneath the North American Plate. Along the northern portion, the northwestward-moving Pacific plate is being subducted beneath the Aleutian Islands arc. Farther west, the Pacific plate is being subducted along the Kamchatka Peninsula arcs on south past Japan. The southern portion is more complex, with a number of smaller tectonic plates in collision with the Pacific plate from the Mariana Islands, the Philippines, Bougainville, Tonga, and New Zealand; this portion excludes Australia, since it lies in the center of its tectonic plate. Indonesia lies between the Ring of Fire along the northeastern islands adjacent to and including New Guinea and the Alpide belt along the south and west from Sumatra, Java, Bali, Flores, and Timor. The famous and very active San Andreas Fault zone of California is a transform fault which offsets a portion of the East Pacific Rise under southwestern United States and Mexico. The motion of the fault generates numerous small earthquakes, at multiple times a day, most of which are too small to be felt. The active Queen Charlotte Fault on the west coast of the Haida Gwaii, British Columbia, Canada, has generated three large earthquakes during the 20th century: a magnitude 7 event in 1929; a magnitude 8.1 in 1949 (Canada's largest recorded earthquake); and a magnitude 7.4 in 1970.
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